Brown, D. R., Morgan, W. P., & Kihlstrom, J. F. (1989). Comparison of test construction strategies in an attempt to develop an athletic potential scale. International journal of sport psychology, 20(2), S. 93- XX.

Brown, David R., William P. Morgan, and John F. Kihlstrom. "Comparison of Test Construction Strategies in an Attempt to Develop an Athletic Potential Scale." International Journal of Sport Psychology 20, no. 2 (1989): S. 93- XX.

Brown, David R., William P. Morgan, and John F. Kihlstrom. "Comparison of Test Construction Strategies in an Attempt to Develop an Athletic Potential Scale." International Journal of Sport Psychology 20.2 (1989): S. 93- XX.